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[add] Added VarStoreScheduledController.

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falsycat
2019-10-14 00:00:00 +00:00
parent ffcd02066e
commit ccb7d79b67
6 changed files with 90 additions and 12 deletions
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16
sjscript/src/sjscript/calculate.d
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@@ -7,6 +7,7 @@ import std.algorithm,
std.format,
std.math,
std.traits,
std.typecons,
std.variant;
import sjscript.Expression,
@@ -22,12 +23,17 @@ static assert(IsVarStore!(float[string]));
struct StandardVarStore {
public:
static float opIndex(string name) {
const v = GetByName(name);
enforce(!v.isNull);
return v.get;
}
static Nullable!float GetByName(string name) {
switch (name) {
case "PI": return PI;
case "PI_2": return PI_2;
case "PI_4": return PI_4;
case "E": return E;
default: throw new Exception("undefined variable %s".format(name));
case "PI": return Nullable!float(PI);
case "PI_2": return Nullable!float(PI_2);
case "PI_4": return Nullable!float(PI_4);
case "E": return Nullable!float(E);
default: return Nullable!float.init;
}
}
static assert(IsVarStore!StandardVarStore);